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Full text of "Texas Instruments TI-92 Repair Manual"

Texas Instruments TI-92 Teardown 



itixMt 



Texas Instruments TI-92 Teardown 



Tools used in this guide 

• Phillips #00 Screwdriver 




Step 1 - 

• Remove the protective cover. This will easily unsnap 
from the main body. 



Step 2 

• Slide the tab located at the top of the calculator to the 
unlocked positions. 



D 2010 iFixit — CC BY-NC-SA 



www.iFixit.com 



Page 1 of 4 



Texas Instruments TI-92 Teardown 




Step 3 

• Slide the back cover down, and then pull the back plate 
away from the calculator. 



Step 4 

• Unscrew the back-up battery cover. (1 screw) 



Steps 

• Remove all visible screws. (16 total) 



D 201 iFixit — CC BY-NC-SA www.iFixit.com 



Page 2 of 4 



Texas Instruments TI-92 Teardown 




Step 6 

• Keeping the front faceplate FACE DOWN on the work 
surface, lift the circuit board AND the plastic backing up 
and away from the faceplate. 



Step? 

• These two components are loosely attached by the 
rectangular module just below the back-up battery. 



Steps 

• The warning label next to this module reads "Do not 
remove the rectangular module located under the test 
access panel as it is required for proper product 
operation!" 



D 2010 iFixit — CC BY-NC-SA 



www.iFixit.com 



Page 3 of 4 



Texas Instruments TI-92 Teardown 




Step 9 

• The rubber mat in back of the faceplate may be 
removed, exposing all 77 individual plastic keys. 

• CAUTION: These keys are loosely held in by gravity 
and will fall out if the faceplate is tilted to any extreme. 



II 


1^ 



step 10 

• The device has now been separated into as many 
component parts as intended by the manufacturer. 



D 2010 iFixit — CC BY-NC-SA 



www.iFixit.com 



Page 4 of 4